Available 
Aspire Pocket+ 1000 Tufted Mattress
from £205-£305.
£205-£305
Sizes tracked: Small Single, Single, Small Double, Double, King Size
Buying guide
Best firm mattresses to compare
Compare five firm Mattress Online mattresses by support feel, construction and value, with the Bodyshape Ultra Ortho 1500 as the clearest firm-support reference point.
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Last verified: 2026-09-14
Quick verdict
This is a firm-mattress shortlist to compare, not a single universal winner. If you want the clearest starting point for firmer support, check Bodyshape Ultra Ortho 1500 Pocket Mattress first; if budget matters most, Aspire Pocket+ 1000 Tufted Mattress is the value comparator at £205 to £305. The visible shortlist price span runs from £205 to £959, so the useful question is which feel, construction and size fit your bed and budget today.
Top picks to compare
Start with Aspire Pocket+ 1000 Tufted Mattress (£205-£305), Bodyshape Boost 1000 Pocket Memory Mattress (£254-£498), Bodyshape Gel 2000 Pocket Hybrid Mattress (£335-£605) because they give you a focused set of current retailer options to compare. The visible price range is £205-£959, so check whether the extra spend buys a useful specification difference rather than only a different brand or finish. The shortlist includes Aspire, Bodyshape, Horizon, which helps you compare familiar brands against specification, delivery and value.
Available 
Bodyshape Boost 1000 Pocket Memory Mattress
from £254-£498.
£254-£498
Sizes tracked: Single, Small Double, Double, King Size, Super King
Available 
Bodyshape Gel 2000 Pocket Hybrid Mattress
from £335-£605.
£335-£605
Sizes tracked: Single, Small Double, Double, King Size, Super King
Available 
Bodyshape Ultra Ortho 1500 Pocket Mattress
from £389-£679.
£389-£679
Sizes tracked: Single, Small Double, Double, King Size, Super King
Available 
Horizon Juno 5000 Pocket Memory Mattress
from £459-£959.
£459-£959
Sizes tracked: Single, Small Double, Double, King Size, Super King
At-a-glance comparison
Use this table to scan the shortlist quickly before opening individual product pages. It covers Pocket Sprung, Hybrid, so compare like-for-like where possible before deciding which mattress best fits your usual sleep position, preferred firmness and bed-frame size. Firmness differences include Firm; Firmness differences can matter as much as headline price when you are matching a product to a specific need.
| Product | Type | Firmness | Sizes | From |
|---|---|---|---|---|
| Aspire Pocket+ 1000 Tufted Mattress | Pocket Sprung | Check retailer | Small Single, Single, Small Double, Double, King Size | £205 |
| Bodyshape Boost 1000 Pocket Memory Mattress | Pocket Sprung | Check retailer | Single, Small Double, Double, King Size, Super King | £254 |
| Bodyshape Gel 2000 Pocket Hybrid Mattress | Hybrid | Check retailer | Single, Small Double, Double, King Size, Super King | £335 |
| Bodyshape Ultra Ortho 1500 Pocket Mattress | Pocket Sprung | Firm | Single, Small Double, Double, King Size, Super King | £389 |
| Horizon Juno 5000 Pocket Memory Mattress | Pocket Sprung | Check retailer | Single, Small Double, Double, King Size, Super King | £459 |
What the research shows
The shortlist separates into pocket sprung and hybrid constructions, which matters because the feel is not the same even when both are positioned for firmer support. Mattress Online’s orthopaedic guidance frames orthopaedic models as firm or extra firm options, and the Ultra Ortho 1500 is the clearest match in this set because it is explicitly labelled Firm and orthopaedic. Public review volume is thin for most items, so the 100-night comfort trial and free delivery to most locations are more useful confidence checks than star ratings alone.
Buyer trade-offs to compare
The main trade-off is whether you want the lowest entry price, the clearest firm-support label, or a different comfort layer on top of pocket springs. Aspire Pocket+ 1000 Tufted Mattress is the budget benchmark, Bodyshape Boost 1000 Pocket Memory Mattress adds memory foam, and Bodyshape Gel 2000 Pocket Hybrid Mattress is the only hybrid in the shortlist, so it is the best contrast if you want to compare feel rather than only price. The higher-priced Horizon Juno 5000 Pocket Memory Mattress sits at the top of the range, so check whether the extra spend changes the specification in a way you care about.
Why these mattresses made the shortlist
These five mattresses come from three brands: Aspire, Bodyshape and Horizon. All five have five variants, which means size coverage is even across the set and the more meaningful comparison is firmness feel, construction and price rather than simply whether a size is available. The shortlist is useful because it includes an orthopaedic-labelled benchmark, a lower-cost pocket sprung option and hybrid and memory-foam alternatives, but it is not definitive without checking the latest retailer page and terms.
Shortlist benchmark
The narrowed comparison set sits in a benchmark range of £205 to £459, while the full visible product spread reaches £205 to £959. That spread tells you the shortlist is broad enough to compare entry-level and premium positioning, even though most review counts are limited or not surfaced clearly. Brand mix is compact, with Aspire, Bodyshape and Horizon represented, so the real decision points are specification, firmness label, trial wording and whether the price step-up feels justified for the construction change.
How to choose between these mattresses
Start by deciding whether you want the strongest firm-support reference, the lowest upfront spend, or a construction that changes the feel. Bodyshape Ultra Ortho 1500 Pocket Mattress is the most direct fit if you want an orthopaedic-labelled starting point; Aspire Pocket+ 1000 Tufted Mattress suits shoppers who want to keep spend lower; and Bodyshape Gel 2000 Pocket Hybrid Mattress is the comparison pick if you want to weigh hybrid comfort against a traditional pocket sprung feel. Because all five have the same five-variant coverage, make sure bed-frame compatibility, depth and size are checked on the product page before ordering.
Value notes
Value here is about spec-for-money and confidence-for-money, not just the cheapest sticker price. Aspire Pocket+ 1000 Tufted Mattress is the clearest value comparator because it starts at £205 to £305 and still includes a 5-year guarantee on the product page, while Bodyshape Gel 2000 Pocket Hybrid Mattress asks for more money but gives you the only hybrid construction in the shortlist plus a 5-year guarantee. The Bodyshape Boost 1000 Pocket Memory Mattress sits between those two in price but carries only a 1-year guarantee, so confirm the latest retailer wording before buying and decide whether the added features are worth the step-up.
Retailer details used
Last checked 2026-09-14. The source list below is included to help you check the details behind the comparison. Always confirm the latest price, delivery cost, stock status and product details with the retailer before buying.
- Aspire Pocket+ 1000 Tufted Mattress | MattressOnlineproduct-page evidence for Aspire Pocket+ 1000 Tufted Mattress
- Bodyshape Boost 1000 Pocket Memory Mattress | MattressOnlineproduct-page evidence for Bodyshape Boost 1000 Pocket Memory Mattress
- Bodyshape Gel 2000 Pocket Hybrid Mattress | MattressOnlineproduct-page evidence for Bodyshape Gel 2000 Pocket Hybrid Mattress
- Bodyshape Ultra Ortho 1500 Pocket Mattress | MattressOnlinefirmness, orthopaedic positioning, price, reviews, and product features
- Aspire Pocket+ 1000 Tufted Mattress | MattressOnlineshortlist price comparator
- Bodyshape Gel 2000 Pocket Hybrid Mattress | MattressOnlinehybrid/comfort-positioning comparator
Helpful next reads
Keep comparing with related reviews and buying guides before checking the latest retailer prices.
Buying questions
Which mattress is the best starting point for firmer support?
Bodyshape Ultra Ortho 1500 Pocket Mattress is the clearest starting point in this shortlist because it is explicitly labelled Firm and orthopaedic. That makes it the most direct comparison if you want firmer support rather than a softer-feeling pocket sprung or hybrid alternative.
Is the cheapest option the best value?
Not always. Aspire Pocket+ 1000 Tufted Mattress is the lowest-priced item at £205 to £305, but value depends on whether the firmness feel, size, depth and guarantee suit your needs. If you want a different comfort layer or construction, a higher price may be justified.
What is the difference between pocket sprung and hybrid in this shortlist?
Pocket sprung models in this set focus on spring support with different comfort layers on top, while Bodyshape Gel 2000 Pocket Hybrid Mattress combines pocket springs with gel foam. That hybrid build is the most obvious option here if you want to compare a different feel and temperature-related comfort claim against a more traditional pocket sprung mattress.
How much should I care about ratings if review counts are low?
Treat ratings as a limited confidence clue rather than a final decision. Bodyshape Ultra Ortho 1500 Pocket Mattress shows a visible 5.0/5 from 5 reviews, but most other items do not show meaningful review volume in the supplied data, so the product details, trial and guarantee wording should carry more weight.
Do the 100-night trial and guarantee apply to every mattress?
The 100-night comfort trial is shown on the listed retailer pages, but guarantee length varies by product. For example, Aspire Pocket+ 1000 Tufted Mattress and Bodyshape Gel 2000 Pocket Hybrid Mattress show 5-year guarantees, while Bodyshape Boost 1000 Pocket Memory Mattress shows 1 year, so check the latest product page before buying.